About this itemmycartridge replacement of erc30 uses advanced ultrasonic welding and ink printing technology to reduce wear on the printer, extend the life of the printer, and make printing clear, smooth, and colorless.mycartridge ERC30 ribbon length 5m has a longer print life, which save you moneymycartridge erc30 ribbon uses advanced ink and printing technology (black and red), excellent print quality, clear and uniform printing, and long-term fading, each ribbon is packaged independently, the ribbon will not spread, and can be quickly installed.Highly Compatiable with :mycartridge erc30 ribbon highly compatiable with epson erc30/34/38,epson mi88b,epson tmu220,bixolon grc-220br,m188B etc.the details in the picture.wildly application:Suitable for kitchen , restaurant,bank,taxi,office cash register pos printer etc.